initial commit

2023-05-22 20:13:21 +02:00 · 2023-05-22 20:13:21 +02:00 · e189168144
commit e189168144
11 changed files with 681 additions and 0 deletions
--- a/.direnv/devenv-profile-31817fb3b51d5f8cb230f24734ea32688ede0af9.rc
+++ b/.direnv/devenv-profile-31817fb3b51d5f8cb230f24734ea32688ede0af9.rc
@ -0,0 +1,118 @@
+unset shellHook
+PATH=${PATH:-}
+nix_saved_PATH="$PATH"
+XDG_DATA_DIRS=${XDG_DATA_DIRS:-}
+nix_saved_XDG_DATA_DIRS="$XDG_DATA_DIRS"
+BASH='/noshell'
+HOSTTYPE='x86_64'
+IFS=' 	
+'
+IN_NIX_SHELL='impure'
+export IN_NIX_SHELL
+LINENO='76'
+MACHTYPE='x86_64-pc-linux-gnu'
+NIX_BUILD_CORES='0'
+export NIX_BUILD_CORES
+NIX_STORE='/nix/store'
+export NIX_STORE
+OLDPWD=''
+export OLDPWD
+OPTERR='1'
+OSTYPE='linux-gnu'
+PATH='/path-not-set'
+export PATH
+PS4='+ '
+builder='/nix/store/kbcrs84s1x8yd5bp1nq6q6ihda8nd2lp-bash-interactive-5.2-p15/bin/bash'
+export builder
+dontAddDisableDepTrack='1'
+export dontAddDisableDepTrack
+name='devenv-shell'
+export name
+out='/home/patrick/Sandbox/dhcp/outputs/out'
+export out
+outputs='out'
+shellHook='
+# Remove all the unnecessary noise that is set by the build env
+unset NIX_BUILD_TOP NIX_BUILD_CORES NIX_STORE
+unset TEMP TEMPDIR TMP TMPDIR
+# $name variable is preserved to keep it compatible with pure shell https://github.com/sindresorhus/pure/blob/47c0c881f0e7cfdb5eaccd335f52ad17b897c060/pure.zsh#L235
+unset builder out shellHook stdenv system
+# Flakes stuff
+unset dontAddDisableDepTrack outputs
+
+# For `nix develop`. We get /noshell on Linux and /sbin/nologin on macOS.
+if [[ "$SHELL" == "/noshell" || "$SHELL" == "/sbin/nologin" ]]; then
+  export SHELL=/nix/store/kbcrs84s1x8yd5bp1nq6q6ihda8nd2lp-bash-interactive-5.2-p15/bin/bash
+fi
+
+# https://github.com/numtide/devshell/issues/158
+PATH=${PATH#/path-not-set:}
+
+export DEVENV_PROFILE=/nix/store/93qx8jlgc6hpcqr3jcsr7by6lzipah3g-devenv-profile
+
+# add installed packages to PATH
+export PATH="$DEVENV_PROFILE/bin:$PATH"
+
+# prepend common compilation lookup paths
+export PKG_CONFIG_PATH="$DEVENV_PROFILE/lib/pkgconfig:${PKG_CONFIG_PATH-}"
+export LD_LIBRARY_PATH="$DEVENV_PROFILE/lib:${LD_LIBRARY_PATH-}"
+export LIBRARY_PATH="$DEVENV_PROFILE/lib:${LIBRARY_PATH-}"
+export C_INCLUDE_PATH="$DEVENV_PROFILE/include:${C_INCLUDE_PATH-}"
+
+# these provide shell completions / default config options
+export XDG_DATA_DIRS="$DEVENV_PROFILE/share:${XDG_DATA_DIRS-}"
+export XDG_CONFIG_DIRS="$DEVENV_PROFILE/etc/xdg:${XDG_CONFIG_DIRS-}"
+
+export DEVENV_DOTFILE='\''/home/patrick/Sandbox/dhcp/.devenv'\''
+export DEVENV_PROFILE='\''/nix/store/93qx8jlgc6hpcqr3jcsr7by6lzipah3g-devenv-profile'\''
+export DEVENV_ROOT='\''/home/patrick/Sandbox/dhcp'\''
+export DEVENV_STATE='\''/home/patrick/Sandbox/dhcp/.devenv/state'\''
+export GREET='\''devenv'\''
+
+
+hello
+git --version
+
+export PS1="\[\e[0;34m\](devenv)\[\e[0m\] ${PS1-}"
+
+# set path to locales on non-NixOS Linux hosts
+if [ -z "${LOCALE_ARCHIVE-}" ]; then
+  export LOCALE_ARCHIVE=/nix/store/nm00g2nm2wsyh30jvkgi168kh6yvw4sl-glibc-locales-2.37-8/lib/locale/locale-archive
+fi
+
+
+# note what environments are active, but make sure we don'\''t repeat them
+if [[ ! "${DIRENV_ACTIVE-}" =~ (^|:)"$PWD"(:|$) ]]; then
+  export DIRENV_ACTIVE="$PWD:${DIRENV_ACTIVE-}"
+fi
+
+# devenv helper
+if [ ! type -p direnv &>/dev/null && -f .envrc ]; then
+  echo "You have .envrc but direnv command is not installed."
+  echo "Please install direnv: https://direnv.net/docs/installation.html"
+fi
+
+mkdir -p .devenv
+rm -f .devenv/profile
+ln -s /nix/store/93qx8jlgc6hpcqr3jcsr7by6lzipah3g-devenv-profile .devenv/profile
+
+'
+export shellHook
+stdenv='/nix/store/fi1k3vh3a70g8cpwmrnc553vvccrny54-naked-stdenv'
+export stdenv
+system='x86_64-linux'
+export system
+runHook ()
+{
+ 
+    eval "$shellHook";
+    unset runHook
+}
+PATH="$PATH:$nix_saved_PATH"
+XDG_DATA_DIRS="$XDG_DATA_DIRS:$nix_saved_XDG_DATA_DIRS"
+export NIX_BUILD_TOP="$(mktemp -d -t nix-shell.XXXXXX)"
+export TMP="$NIX_BUILD_TOP"
+export TMPDIR="$NIX_BUILD_TOP"
+export TEMP="$NIX_BUILD_TOP"
+export TEMPDIR="$NIX_BUILD_TOP"
+eval "$shellHook"
--- a/.direnv/devenv-profile-4708295e575b498767fffc5ad34947de7a691088.rc
+++ b/.direnv/devenv-profile-4708295e575b498767fffc5ad34947de7a691088.rc
@ -0,0 +1,115 @@
+unset shellHook
+PATH=${PATH:-}
+nix_saved_PATH="$PATH"
+XDG_DATA_DIRS=${XDG_DATA_DIRS:-}
+nix_saved_XDG_DATA_DIRS="$XDG_DATA_DIRS"
+BASH='/noshell'
+HOSTTYPE='x86_64'
+IFS=' 	
+'
+IN_NIX_SHELL='impure'
+export IN_NIX_SHELL
+LINENO='76'
+MACHTYPE='x86_64-pc-linux-gnu'
+NIX_BUILD_CORES='0'
+export NIX_BUILD_CORES
+NIX_STORE='/nix/store'
+export NIX_STORE
+OLDPWD=''
+export OLDPWD
+OPTERR='1'
+OSTYPE='linux-gnu'
+PATH='/path-not-set'
+export PATH
+PS4='+ '
+builder='/nix/store/kbcrs84s1x8yd5bp1nq6q6ihda8nd2lp-bash-interactive-5.2-p15/bin/bash'
+export builder
+dontAddDisableDepTrack='1'
+export dontAddDisableDepTrack
+name='devenv-shell'
+export name
+out='/home/patrick/Sandbox/dhcp/outputs/out'
+export out
+outputs='out'
+shellHook='
+# Remove all the unnecessary noise that is set by the build env
+unset NIX_BUILD_TOP NIX_BUILD_CORES NIX_STORE
+unset TEMP TEMPDIR TMP TMPDIR
+# $name variable is preserved to keep it compatible with pure shell https://github.com/sindresorhus/pure/blob/47c0c881f0e7cfdb5eaccd335f52ad17b897c060/pure.zsh#L235
+unset builder out shellHook stdenv system
+# Flakes stuff
+unset dontAddDisableDepTrack outputs
+
+# For `nix develop`. We get /noshell on Linux and /sbin/nologin on macOS.
+if [[ "$SHELL" == "/noshell" || "$SHELL" == "/sbin/nologin" ]]; then
+  export SHELL=/nix/store/kbcrs84s1x8yd5bp1nq6q6ihda8nd2lp-bash-interactive-5.2-p15/bin/bash
+fi
+
+# https://github.com/numtide/devshell/issues/158
+PATH=${PATH#/path-not-set:}
+
+export DEVENV_PROFILE=/nix/store/fd3xw4ffw33w8c70nw5d768ss3sxg211-devenv-profile
+
+# add installed packages to PATH
+export PATH="$DEVENV_PROFILE/bin:$PATH"
+
+# prepend common compilation lookup paths
+export PKG_CONFIG_PATH="$DEVENV_PROFILE/lib/pkgconfig:${PKG_CONFIG_PATH-}"
+export LD_LIBRARY_PATH="$DEVENV_PROFILE/lib:${LD_LIBRARY_PATH-}"
+export LIBRARY_PATH="$DEVENV_PROFILE/lib:${LIBRARY_PATH-}"
+export C_INCLUDE_PATH="$DEVENV_PROFILE/include:${C_INCLUDE_PATH-}"
+
+# these provide shell completions / default config options
+export XDG_DATA_DIRS="$DEVENV_PROFILE/share:${XDG_DATA_DIRS-}"
+export XDG_CONFIG_DIRS="$DEVENV_PROFILE/etc/xdg:${XDG_CONFIG_DIRS-}"
+
+export DEVENV_DOTFILE='\''/home/patrick/Sandbox/dhcp/.devenv'\''
+export DEVENV_PROFILE='\''/nix/store/fd3xw4ffw33w8c70nw5d768ss3sxg211-devenv-profile'\''
+export DEVENV_ROOT='\''/home/patrick/Sandbox/dhcp'\''
+export DEVENV_STATE='\''/home/patrick/Sandbox/dhcp/.devenv/state'\''
+export RUST_SRC_PATH='\''/nix/store/8n69a7ralcwkzfxhzm9va5nlj5risdz6-rust-src-stable-2023-04-20/lib/rustlib/src/rust/library'\''
+
+
+export PS1="\[\e[0;34m\](devenv)\[\e[0m\] ${PS1-}"
+
+# set path to locales on non-NixOS Linux hosts
+if [ -z "${LOCALE_ARCHIVE-}" ]; then
+  export LOCALE_ARCHIVE=/nix/store/nm00g2nm2wsyh30jvkgi168kh6yvw4sl-glibc-locales-2.37-8/lib/locale/locale-archive
+fi
+
+
+# note what environments are active, but make sure we don'\''t repeat them
+if [[ ! "${DIRENV_ACTIVE-}" =~ (^|:)"$PWD"(:|$) ]]; then
+  export DIRENV_ACTIVE="$PWD:${DIRENV_ACTIVE-}"
+fi
+
+# devenv helper
+if [ ! type -p direnv &>/dev/null && -f .envrc ]; then
+  echo "You have .envrc but direnv command is not installed."
+  echo "Please install direnv: https://direnv.net/docs/installation.html"
+fi
+
+mkdir -p .devenv
+rm -f .devenv/profile
+ln -s /nix/store/fd3xw4ffw33w8c70nw5d768ss3sxg211-devenv-profile .devenv/profile
+
+'
+export shellHook
+stdenv='/nix/store/fi1k3vh3a70g8cpwmrnc553vvccrny54-naked-stdenv'
+export stdenv
+system='x86_64-linux'
+export system
+runHook ()
+{
+ 
+    eval "$shellHook";
+    unset runHook
+}
+PATH="$PATH:$nix_saved_PATH"
+XDG_DATA_DIRS="$XDG_DATA_DIRS:$nix_saved_XDG_DATA_DIRS"
+export NIX_BUILD_TOP="$(mktemp -d -t nix-shell.XXXXXX)"
+export TMP="$NIX_BUILD_TOP"
+export TMPDIR="$NIX_BUILD_TOP"
+export TEMP="$NIX_BUILD_TOP"
+export TEMPDIR="$NIX_BUILD_TOP"
+eval "$shellHook"
--- a/.direnv/devenv-profile-b2e3948989e5900a6355bd6cb53151b4ac09417d.rc
+++ b/.direnv/devenv-profile-b2e3948989e5900a6355bd6cb53151b4ac09417d.rc
@ -0,0 +1,115 @@
+unset shellHook
+PATH=${PATH:-}
+nix_saved_PATH="$PATH"
+XDG_DATA_DIRS=${XDG_DATA_DIRS:-}
+nix_saved_XDG_DATA_DIRS="$XDG_DATA_DIRS"
+BASH='/noshell'
+HOSTTYPE='x86_64'
+IFS=' 	
+'
+IN_NIX_SHELL='impure'
+export IN_NIX_SHELL
+LINENO='76'
+MACHTYPE='x86_64-pc-linux-gnu'
+NIX_BUILD_CORES='0'
+export NIX_BUILD_CORES
+NIX_STORE='/nix/store'
+export NIX_STORE
+OLDPWD=''
+export OLDPWD
+OPTERR='1'
+OSTYPE='linux-gnu'
+PATH='/path-not-set'
+export PATH
+PS4='+ '
+builder='/nix/store/kbcrs84s1x8yd5bp1nq6q6ihda8nd2lp-bash-interactive-5.2-p15/bin/bash'
+export builder
+dontAddDisableDepTrack='1'
+export dontAddDisableDepTrack
+name='devenv-shell'
+export name
+out='/home/patrick/Sandbox/dhcp/outputs/out'
+export out
+outputs='out'
+shellHook='
+# Remove all the unnecessary noise that is set by the build env
+unset NIX_BUILD_TOP NIX_BUILD_CORES NIX_STORE
+unset TEMP TEMPDIR TMP TMPDIR
+# $name variable is preserved to keep it compatible with pure shell https://github.com/sindresorhus/pure/blob/47c0c881f0e7cfdb5eaccd335f52ad17b897c060/pure.zsh#L235
+unset builder out shellHook stdenv system
+# Flakes stuff
+unset dontAddDisableDepTrack outputs
+
+# For `nix develop`. We get /noshell on Linux and /sbin/nologin on macOS.
+if [[ "$SHELL" == "/noshell" || "$SHELL" == "/sbin/nologin" ]]; then
+  export SHELL=/nix/store/kbcrs84s1x8yd5bp1nq6q6ihda8nd2lp-bash-interactive-5.2-p15/bin/bash
+fi
+
+# https://github.com/numtide/devshell/issues/158
+PATH=${PATH#/path-not-set:}
+
+export DEVENV_PROFILE=/nix/store/fd3xw4ffw33w8c70nw5d768ss3sxg211-devenv-profile
+
+# add installed packages to PATH
+export PATH="$DEVENV_PROFILE/bin:$PATH"
+
+# prepend common compilation lookup paths
+export PKG_CONFIG_PATH="$DEVENV_PROFILE/lib/pkgconfig:${PKG_CONFIG_PATH-}"
+export LD_LIBRARY_PATH="$DEVENV_PROFILE/lib:${LD_LIBRARY_PATH-}"
+export LIBRARY_PATH="$DEVENV_PROFILE/lib:${LIBRARY_PATH-}"
+export C_INCLUDE_PATH="$DEVENV_PROFILE/include:${C_INCLUDE_PATH-}"
+
+# these provide shell completions / default config options
+export XDG_DATA_DIRS="$DEVENV_PROFILE/share:${XDG_DATA_DIRS-}"
+export XDG_CONFIG_DIRS="$DEVENV_PROFILE/etc/xdg:${XDG_CONFIG_DIRS-}"
+
+export DEVENV_DOTFILE='\''/home/patrick/Sandbox/dhcp/.devenv'\''
+export DEVENV_PROFILE='\''/nix/store/fd3xw4ffw33w8c70nw5d768ss3sxg211-devenv-profile'\''
+export DEVENV_ROOT='\''/home/patrick/Sandbox/dhcp'\''
+export DEVENV_STATE='\''/home/patrick/Sandbox/dhcp/.devenv/state'\''
+export RUST_SRC_PATH='\''/nix/store/8n69a7ralcwkzfxhzm9va5nlj5risdz6-rust-src-stable-2023-04-20/lib/rustlib/src/rust/library'\''
+
+
+export PS1="\[\e[0;34m\](devenv)\[\e[0m\] ${PS1-}"
+
+# set path to locales on non-NixOS Linux hosts
+if [ -z "${LOCALE_ARCHIVE-}" ]; then
+  export LOCALE_ARCHIVE=/nix/store/nm00g2nm2wsyh30jvkgi168kh6yvw4sl-glibc-locales-2.37-8/lib/locale/locale-archive
+fi
+
+
+# note what environments are active, but make sure we don'\''t repeat them
+if [[ ! "${DIRENV_ACTIVE-}" =~ (^|:)"$PWD"(:|$) ]]; then
+  export DIRENV_ACTIVE="$PWD:${DIRENV_ACTIVE-}"
+fi
+
+# devenv helper
+if [ ! type -p direnv &>/dev/null && -f .envrc ]; then
+  echo "You have .envrc but direnv command is not installed."
+  echo "Please install direnv: https://direnv.net/docs/installation.html"
+fi
+
+mkdir -p .devenv
+rm -f .devenv/profile
+ln -s /nix/store/fd3xw4ffw33w8c70nw5d768ss3sxg211-devenv-profile .devenv/profile
+
+'
+export shellHook
+stdenv='/nix/store/fi1k3vh3a70g8cpwmrnc553vvccrny54-naked-stdenv'
+export stdenv
+system='x86_64-linux'
+export system
+runHook ()
+{
+ 
+    eval "$shellHook";
+    unset runHook
+}
+PATH="$PATH:$nix_saved_PATH"
+XDG_DATA_DIRS="$XDG_DATA_DIRS:$nix_saved_XDG_DATA_DIRS"
+export NIX_BUILD_TOP="$(mktemp -d -t nix-shell.XXXXXX)"
+export TMP="$NIX_BUILD_TOP"
+export TMPDIR="$NIX_BUILD_TOP"
+export TEMP="$NIX_BUILD_TOP"
+export TEMPDIR="$NIX_BUILD_TOP"
+eval "$shellHook"
--- a/.envrc
+++ b/.envrc
@ -0,0 +1,3 @@
+source_url "https://raw.githubusercontent.com/cachix/devenv/d1f7b48e35e6dee421cfd0f51481d17f77586997/direnvrc" "sha256-YBzqskFZxmNb3kYVoKD9ZixoPXJh1C9ZvTLGFRkauZ0="
+
+use devenv
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,7 @@
+/target
+/Cargo.lock
+
+# Devenv
+.devenv*
+devenv.local.nix
+
--- a/Cargo.toml
+++ b/Cargo.toml
@ -0,0 +1,10 @@
+[package]
+name = "dhcp"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies.nom]
+version = "7"
+default-features = false
--- a/devenv.lock
+++ b/devenv.lock
@ -0,0 +1,177 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1684536222,
+        "narHash": "sha256-jbcTwWLSNZQPmf8+PKtw+3RgwMxbSarMlerIH8feGdw=",
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "2f1d49aeee1378c44293ca2f61bf3a9004986fb7",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1684736520,
+        "narHash": "sha256-8WjS3Mmr4DPBsSV2iPkYmxr0/YPpkhX10qT/0YybSsc=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "f435c0d000726dc5ccfabde567443c2495957706",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1660459072,
+        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1684668519,
+        "narHash": "sha256-KkVvlXTqdLLwko9Y0p1Xv6KQ9QTcQorrU098cGilb7c=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "85340996ba67cc02f01ba324e18b1306892ed6f5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1678872516,
+        "narHash": "sha256-/E1YwtMtFAu2KUQKV/1+KFuReYPANM2Rzehk84VxVoc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9b8e5abb18324c7fe9f07cb100c3cd4a29cda8b8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1684195081,
+        "narHash": "sha256-IKnQUSBhQTChFERxW2AzuauVpY1HRgeVzAjNMAA4B6I=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "96eabec58248ed8f4b0ad59e7ce9398018684fdc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "fenix": "fenix",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": "pre-commit-hooks"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1684672829,
+        "narHash": "sha256-xDUpgRcACQQREemfVQnft6AImqF2+dbxmHupw6gzSho=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "7ac161ce77dfa31dc39337c2543a1d777e70c16e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
--- a/devenv.nix
+++ b/devenv.nix
@ -0,0 +1,8 @@
+{ pkgs, ... }:
+
+{
+  languages.rust = {
+    enable = true;
+    version = "stable";
+  };
+}
--- a/devenv.yaml
+++ b/devenv.yaml
@ -0,0 +1,8 @@
+inputs:
+  nixpkgs:
+    url: github:NixOS/nixpkgs/nixpkgs-unstable
+  fenix:
+    url: github:nix-community/fenix
+    inputs:
+      nixpkgs:
+        follows: nixpkgs
--- a/dhcp_discover.bin
+++ b/dhcp_discover.bin
--- a/src/lib.rs
+++ b/src/lib.rs
@ -0,0 +1,120 @@
+use std::{net::Ipv4Addr, path::Path};
+
+use nom::{
+    bytes::complete::take,
+    number::complete::{be_u16, be_u32, be_u8},
+    IResult,
+};
+
+#[derive(Debug)]
+struct DhcpMessage<'a> {
+    operation: Operation,
+    hardware_type: HardwareType,
+    hardware_address_length: u8,
+    hops: u8,
+    transaction_id: u32,
+    seconds: u16,
+    flags: u16,
+    client_address: Ipv4Addr,
+    server_address: Ipv4Addr,
+    gateway_address: Ipv4Addr,
+    client_hardware_address: &'a [u8],
+    server_hostname: &'a str,
+    boot_file_name: &'a Path,
+}
+
+#[derive(Debug)]
+enum Operation {
+    Request = 1,
+    Reply = 2,
+}
+
+impl From<u8> for Operation {
+    fn from(value: u8) -> Self {
+        match value {
+            1 => Operation::Request,
+            2 => Operation::Reply,
+            _ => todo!(),
+        }
+    }
+}
+
+#[derive(Debug)]
+enum HardwareType {
+    Reserved(u8),
+    Unassigned(u8),
+    Ethernet,
+}
+
+impl From<u8> for HardwareType {
+    fn from(value: u8) -> Self {
+        use HardwareType::*;
+        match value {
+            a @ 0 => Reserved(a),
+            1 => Ethernet,
+            v => Unassigned(v),
+        }
+    }
+}
+
+fn parse_dhcp_operation(i: &[u8]) -> IResult<&[u8], Operation> {
+    be_u8(i).map(|(i, v)| (i, v.into()))
+}
+
+fn parse_dhcp_hardware_type(i: &[u8]) -> IResult<&[u8], HardwareType> {
+    be_u8(i).map(|(i, v)| (i, v.into()))
+}
+
+fn parse_ipv4_address(i: &[u8]) -> IResult<&[u8], Ipv4Addr> {
+    let (i, val) = take(4usize)(i)?;
+    let ip = Ipv4Addr::new(val[0], val[1], val[2], val[3]);
+    Ok((i, ip))
+}
+
+fn parse_dhcp_packet(packet: &[u8]) -> IResult<&[u8], DhcpMessage> {
+    let (packet, operation) = parse_dhcp_operation(packet)?;
+    let (packet, hardware_type) = parse_dhcp_hardware_type(packet)?;
+    let (packet, hardware_address_length) = be_u8(packet)?;
+    let (packet, hops) = be_u8(packet)?;
+    let (packet, transaction_id) = be_u32(packet)?;
+    let (packet, seconds) = be_u16(packet)?;
+    let (packet, flags) = be_u16(packet)?;
+    let (packet, client_address) = parse_ipv4_address(packet)?;
+    let (packet, server_address) = parse_ipv4_address(packet)?;
+    let (packet, gateway_address) = parse_ipv4_address(packet)?;
+    let (packet, client_hardware_address) = take(6usize)(packet)?;
+
+    Ok((
+        packet,
+        DhcpMessage {
+            operation,
+            hardware_type,
+            hardware_address_length,
+            hops,
+            transaction_id,
+            seconds,
+            flags,
+            client_address,
+            server_address,
+            gateway_address,
+            client_hardware_address,
+            server_hostname: "",
+            boot_file_name: Path::new(""),
+        },
+    ))
+}
+
+#[cfg(test)]
+mod tests {
+    static DHCP_PACKET: &'static [u8] = include_bytes!("../dhcp_discover.bin");
+    static DHCP_PACKET2: &'static [u8] = &[
+        0x01, 0x01, 0x06, 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x7f, 0x00, 0x00,
+        0x01, 0x7f, 0x00, 0x00, 0x01, 0x7f, 0x00, 0x00, 0x01, 0x54, 0x05, 0xdb, 0xa6, 0x96, 0xd0,
+    ];
+
+    #[test]
+    fn parses() {
+        let res = super::parse_dhcp_packet(DHCP_PACKET2).unwrap();
+        dbg!(res);
+    }
+}